Tagging: Difference between revisions
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== Definition == | == Definition == | ||
Tags are labels for something. | |||
In the context of [[Web 2.0]], '''Tagging''' means sticking keywords to something (a resource link, a web page, a picture, ...) | In the context of [[Web 2.0]], '''Tagging''' means sticking keywords to something (a resource link, a web page, a picture, ...) | ||
So called '''folksonomies''' are collections of tags. | So called '''folksonomies''' are collections of tags. | ||
Other usages of ''tag'': A label in syntax used in markup languages like [[XML]] to delimit an element. | |||
== Usage == | == Usage == | ||
Revision as of 17:07, 14 September 2006
Definition
Tags are labels for something.
In the context of Web 2.0, Tagging means sticking keywords to something (a resource link, a web page, a picture, ...)
So called folksonomies are collections of tags.
Other usages of tag: A label in syntax used in markup languages like XML to delimit an element.
Usage
Tagging is used in many social software applications.
E.g.
- to manage one's own digital artifacts and links
- to allow people to share links (social bookmarking) and artifacts.
- to link people with same interests
- to calulate recommendations for a product (e.g. like Amazon does with keywords describing books)
Why does it work
Firstly, it's easy for users and requires only two steps of cognitive processing (Sinha, 2005). In contrast, filling in metadata forms is time-consuming, boring and difficult.
Second, metadata are ridid and don't work in the real world. An object is not always either of type 1 or type 2, but can be both or in between.
Metrics and visualization techniques can put some "order" into a big "tag soup", e.g. show which tags are close (e.g. see tag clouds) and therefore create "natural taxonomies".
Discussion
- some people hate metadata (DSchneider does because it's too much work)
- some people hate tagging (DSchneider does because within large crowds some people may unintentionnally or intentionnally use wrong tags, and because it'is also some work.
Links
- Rashmi Sinha's blog entries on tagging
Examples
- Mike Malloch's del.icio.us tags on social bookmarking (very useful)
References
- Farrell, Stephen and Tessa Lau, Fringe Contacts: People-Tagging for the Enterprise, WWW '2006 paper, PDF
- Sinha, Rashmi, (2005). A cognitive analysis of tagging, (or how the lower cognitive cost of tagging makes it popular), HTML
- Vuorikari, Riina (2005), Social networking software and e-portfolios foster digitallearning networks, Special Insight Reports, European Schoolnet. HTML
- Vuorikari, Riina (2005), Innovation Brief: Can personal digital knowledge artefact's managment and social networks enhance learning ? PDF